TY  - BOOK
AU  - Curtis, Helena.
AU  - Barnes, Sue N.
TI  - Invitation to Biology
SN  - 0879012552
AV  - QH 308.2 .C87 1985 
PY  - 1985///
CY  - New york
PB  - Worth publishers
KW  - Biology
N1  - Includes bibliographical references and index
ER  -